Objective Colorectal cancer is one of the most common malignancies with high incidence rate. Due to the progress made in diagnostic and therapeutic techniques, even about 30%～50% of patients with no evidence of metastasis on the time of diagnosis have recurrences. The present study is to investigate the carcinoembryonic antigen(CEA) mRNA,CEA protein expression in blood and to evaluate its clinical significance. Methods Peripheral blood samples were collected from 60 patients with colorectal cancer and 40 patients with colorectal polyp and 40 healthy volunteers. CEA mRNA was detected by reverse transcription polymerase chain reaction (RT-PCR) and serum CEA was detected by Enzyme-linked immunosorbent assay. Results The positive rate of CEA mRNA expression in blood samples of 60 patients with colorectal cancer was 68.3%. And one of the healthy volunteers was positive. But three of the 40 patients with colorectal polyp(7.5%) were positive. The positive rate increased with the pathological staging and liver metastasis, but there were no significant relations between the rate and the malignant extent of cell differentiation. Conclusion The expression of CEA mRNA in peripheral blood cells correlates with the pathological staging and liver metastasis of colorectal cancer, and it may be one of potential uses to monitor the micrometastases of tumor. In order to discover the precancerous change,we can detect CEA mRNA expression in blood with polyp of colon.

Objective To investigate the effect of ampelopsin on apoptosis induction and cell growth inhibition in Human Colon cancer SW480 cells in vitro.Methods Treated with ampelopsin at several concentrations, MTT and flow cytometry was used to detect the inhibition rate and apoptotic rate of SW480 cells.Western-blot was used to investigate expression of Bcl-2 family pro-tein.Results Significant difference of cell growth inhibition rate was observed among all groups after treated with ampelopsin ( p<0.05).Cell growth inhibition rate in the low -dosage group was significantly high than that in median and high -dosage group (p<0.05), while no marked difference was observed between the median and high groups (p>0.05).The similar results were observed in the experiment on apoptosis induction.Level of Bcl-xL was significantly up-regulated.Level of Bax, Bid, Caspase-3, p-Ca-pase-9 and Caspase-9 was significantly down-regulated after treatment of ampelopsin.Conclusion Ampelopsin can inhibit cell growth and induce apoptosis of SW480.Bcl-2 family protein might be involved in the progress.

Objective To investigate the relationship between systemic lupus erythematosus and Epstein-Barr virus infection. Methods Expression of EBV-DNA was detected by fluorescent quantitative PCR assay in SLE patients (n=40) and normal control individuals (n=40). Results EBV-DNA in 11 were positive of the 40 patients and 3 were positive of the 40 normal control individual,and there was significant different(P

Objective To observe the inhibitive effect of electro-acupuncture (EA)at Zusanli points (ST36)on inflammatory mediators of postoperative intra-abdominal adhesions and study the relationship between EA and cholinergic anti-inflammatory pathway.Methods Forty-eight male Wistar rats were divided into 6 groups (each =8):Group A (control),Group B(abdominal adhesions model),Group C (abdominal adhesions plus EA),Group D(sham acu-point control),Group E (abdominal adhesions plus α-bungarotoxin )and Group F (abdominal adhesions plus EA after α-bungarotoxin).Animal models of abdominal adhesion were produced by Chiang’s path.Bilateral Zusanli points (ST36) and shame acupoints were electro-acupunctured at a constant voltage for 1 hour while rats were awake.The ɑ-BGT(1 μg/kg)was injected into the abdominal cavity after surgery.All the rats were sacrificed on the 3rd day,and the levels of inflammatory mediators (TNF-ɑ,NO and NOS)in tissues were evaluated.Results Three days after surgery,the damaged cecum of abdominal adhesion groups developed obvious edema that did not adhere with other tissues.Compared with sham control,the abdominal adhesion resulted in significant elevation of inflammatory mediators (TNF-ɑ,NO and NOS).EA at Zusanli points obviously lowered the elevated levels of inflammatory mediators (P <0.01 and P <0.05).EA at Zusanli points following the injection of ɑ-BGT showed less anti-inflammatory effect(P <0.01).Conclusion EA at Zusanli points significantly lowers the elevated levels of inflammatory mediators after abdominal adhesion challenge.The activation of cholinergic anti-inflammatory pathway might be one of the mechanisms by which Zusanli points exert anti-inflammatory effects.

BACKGROUND:Femoral neck fracture is mainly fixed by three inverted triangle cannulated screws. Scholars have proposed to add a cannulated screw to enhance the fixation strength of femoral neck fracture of Pauwels III type based on three cannulated screw fixation, but the stability is not verified. OBJECTIVE:To analyze the biomechanical stability and stress of the three and four cannulated screws for the treatment of the Pauwels III femoral neck fractures. METHODS:The CT imaging results of the fourth generation of artificial bone sawbones were imported into the Mimics software wherein a three-dimensional finite element model of the proximal femur was prepared and introduced in the 3-matic software. Models of middlesegment of femoral neck with Pauwels III fractures were established. Cannulated screw models were established with UG 8.0 software and introduced in the fractures models. Finally, finite element models of Pauwels III femoral neck fractures fixed with three and four screws were established. In the same condition, an axial load of 411 N was applied on the femoral head with Abaqus software. The displacement of two markers of the broken ends and internal fixation system Von Mises stress distribution were compared between the two models. RESULTS AND CONCLUSION:(1) The displacement was 0.42 mm in three screws model, and 0.17 mm in the four screws model. (2) Von Mises stress peak was 547 MPa and 27.8 MPa in both models. The peak value was lower in models of fourscrews than that of three screws. Stress concentration position was at the fracture site in both models. The stress range of models of four screws was more extensive and scattered. (3) Finite element analysis results demonstrated that four-screw implantation for Pauwels III femoral neck fractures had strong anti-shearing force and biomechanical stability. Clinical advantages need further clinical comparative study.

Objective To evaluated intra-articular injection of TNF-α inhibitors into the sacroiliac joint as an effective and viable alternative. Methods Sixteen patients with documented ankylosing spondylitis (AS), without steroids or disease modifying anti-rheumatic drugs (DMARDs) were performed CT-guided intra-articular injections of etanercept (TNF-α antagonist) at week 0, 4 and 8 (25 mg per dose). Similarly, 20 patients with AS in the control group received systemic etanercept therapy at a dose of 50 mg per week for 8 weeks. All patients were followed up clinically and evaluated periodically. Pathological features of sacroiliitis were observed with light microscopy and immunohistochemistry. Expression of cytokines in joint biopsy samples was estimated by RT-PCR. Image changes of sacroiliitis were observed by SPECT/CT and MRI. Ttest, t'tesr and χ2 Fisher's test were selected. Results All the 16 patients who received intra-articular etanercept, the mean value of radiological nuclide decrease of the SIJ ROI (region of interest) in the SPECT improved significantly after 8 weeks treatment [(1.38±0.16 vs 1.45±0.14) P<0.05] . Bone marrow edema and fat deposition in MRI were relieved significantly after 8 weeks (P<0.05). In 8 patients the expression of TNF-α and TGF-β mRNA in joint tissue decreased significantly after 8 weeks [(0.89±0.06, 0.84±0.05) vs (l.08± 0.19, 1.13±0.33) (P<0.05)]. The occurrence of gynonitis, enthesitis, chondritis, subehondral bony plate destruction, bone marrow inflammation and inflammatory cell index also decreased significantly (P<0.05). Participants given intra-articular injection showed significant clinical improvement after 8 weeks and 12 weeks treatment(P<0.01 ) in BASDAI score [(32±13) mm]. Conclusion This study has shown that intra-articular injection of etanercept in SIJ can improve joint function and quality of life. It has a satisfactory safety profile and is cost effective. This mode of treatment is most beneficial in local arthropathy of recent onset and in those patients who do not tolerate systemic etanercept therapy.

OBJECTIVETo summarize clinical experiences in fat particle injection auto-transplantation during the past ten years.

METHODSRetrospective analysis of 334 cases of fat particle injection auto-transplantation was done, and we suggested the correct method of liposuction and fat injection.

RESULTSIn this series, one patient (0.29%) had a complication, thirty one patients (9.38%) had lower survival of autogenous fat-transplantation.

CONCLUSIONIn order to improve the results of fat-grafting, we must adopt the correct method of liposuction and follow the right rules.

Adipocytes ; transplantation ; Breast Implantation ; Face ; surgery ; Female ; Humans ; Injections ; Lipectomy ; Male ; Retrospective Studies ; Transplantation, Autologous

OBJECTIVE To investigate the effects of soybean isoflavones （SI） on the reproductive development of young mice. METHODS C57BL/6 young mice were randomly divided into control group， SI low-dose and high-dose groups （10， 100 mg/kg）， with 10 mice in each group （half male and half female）. The young mice in each group were given corresponding liquid intragastrically， once a day， for 2 consecutive weeks. After the last administration， the percentage of body weight increase was calculated； serum estradiol and testosterone levels， malondialdehyde （MDA） content， total antioxidant capacity （T-AOC）， superoxide dismutase （SOD） and glutathione peroxidase （GSH-Px） activities in the reproductive organs of the young mice were determined. The histopathological changes in the reproductive organs were observed. The cell apoptosis of reproductive organs was detected. RESULTS Compared with the control group， the percentage of body weight increase in female mice was increased significantly in the SI high-dose group， while that of male mice was decreased significantly （P＜0.05 or P＜0.01）. Cystic follicles could be seen in the ovarian tissue in SI groups， a loose arrangement of spermatocytes could be seen in the testicular tissue， and partial epithelial cell shedding could be seen in epididymal tissue. The serum level of testosterone in female young mice and the serum levels of testosterone and estradiol in male young mice in SI groups， GSH-Px activity in the ovarian tissue of female young mice in the SI low-dose group， T-AOC activities in the ovarian tissue of female young mice in SI groups as well as the apoptotic rates of cells in testicular and epididymal tissue of male young mice in SI groups were increased significantly （P＜0.05 or P＜ 0.01）； the serum level of estradiol in female young mice in SI groups， SOD activity in the ovarian tissue of female young mice in the SI high-dose group， and MDA contents in the ovarian tissue of female young mice in SI groups as well as the apoptotic rates of cells in ovarian tissue of female mice in SI groups were decreased significantly （P＜0.05 or P＜0.01）. CONCLUSIONS SI can enhance the antioxidant stress capacity of ovarian tissue in female young mice and reduce their oxidative stress damage， but it has certain toxicity to reproductive organs in male mice.